Photosynthesis MCQs Test – 03 1

This entry was posted in Photosynthesis in Higher Plants

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NEET Questions on Photosynthesis | Solve online MCQ Tests on Photosynthesis and get your instant score and answers | Test no. 03

Photosynthesis: MCQs Quiz - 3

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Question 1

Which pigment absorbs the red and far red light?

A	Cytochrome
B	Phytochrome
C	Carotenoids
D	Chlorophyll

Question 2

Which of the following is a 4-carbon compound?

A	Oxaloacetic acid
B	Phosphoglyceric acid
C	Ribulose biphosphate
D	Phosphoenolpyruvate

Question 3

Which fractions of the visible spectrum of solar radiations are primarily absorbed by carotenoids of the higher plants?

A	Red and violet
B	Green and red
C	Blue and green
D	Violet and blue

Question 4

The law of limiting factors was proposed with particular reference to photosynthesis. Identify the scientist who proposed this law.

A	Blackman
B	Calvin
C	Weismann
D	Emerson

Question 5

In Photosynthesis energy from light reaction to dark reaction is transferred in the form of:

A	RUDP
B	ATP
C	ADP
D	Chlorophyll

Question 6

In higher plants the shape of the chloroplast is

A	Discoid
B	Cup-shaped
C	Girdle-shaped
D	Reticulate

Question 7

In C₄ plants, the bundle sheath cells

A	Are rich in PEP carboxylase
B	Have large intercellular spaces
C	Have thin walls to facilitate gaseous exchange
D	Have a high density of chloroplasts

Question 8

In C₃ plants, the first stable product of photosynthesis during the dark reaction is:

A	Phosphoglyceraldehyde
B	3-phosphoglyceric acid
C	Oxaloacetic acid
D	Malic acid

Question 9

Hill reaction occurs in:

A	Absence of water
B	Total darkness
C	High altitude plants
D	Presence of ferricyanide

Question 10

Etiolation in plants is caused when

A	They are grown in intense light
B	They have mineral deficiency
C	They are grown in dark
D	They are grown in blue light

Question 11

During photorespiration, the conversion of phosphoglycolate to glycolate takes place in this cell organelle

A	Peroxisome
B	Glyoxysome
C	Mitochondria
D	Chloroplast

Question 12

Chloroplast dimorphism is a characteristic feature of

A	Plants with Calvin cycle
B	C4-Plants
C	All plants
D	Only in algae

Question 13

Match the following two lists and select the most accurate option.

List I	List II
A. Oxygen evolving complex ferric oxalate	I. Potassium
B. Proton gradient concentration	II. High oxygen
C. Hill reagent	III. ATP synthesis
D. Photo-respiration	IV. Pheophytin
	V. Photolysis of water

A	A - V, B - III, C - I, D - II
B	A - I, B - II, C - IV, D - V
C	A - V, B - I, C - IV, D - II
D	A - I, B - IV, C - III, D - V

Question 14

In Kranz anatomy, the bundle sheath cells have

A	Thin walls, no intercellular spaces and several chloroplasts
B	Thick walls, many intercellular spaces and few chloroplasts
C	Thin walls, many intercellular spaces and no chloroplasts
D	Thick walls, no intercellular spaces and large number of chloroplasts

Question 15

Assertion : The atmospheric concentration of CO₂ at which photosynthesis just compensates for respiration is referred to as CO₂ compensation point.

Reason : The CO₂ compensation point is reached when the amount of CO₂ uptake is less than that generated through respiration because the level of CO₂ in the atmosphere is more than that required for achieving CO₂ compensation point.

A	Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
B	Both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
C	Assertion is true statement but Reason is false.
D	Both Assertion Reason are false statements.

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